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authorChengguang Xu <[email protected]>2020-07-23 21:15:14 -0700
committerLinus Torvalds <[email protected]>2020-07-24 12:42:41 -0700
commit3bef735ad7b7d987069181e7b58588043cbd1509 (patch)
tree4cfff5db07c53dd5a6745deb0d1d6178f04349b4
parent246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c (diff)
vfs/xattr: mm/shmem: kernfs: release simple xattr entry in a right way
After commit fdc85222d58e ("kernfs: kvmalloc xattr value instead of kmalloc"), simple xattr entry is allocated with kvmalloc() instead of kmalloc(), so we should release it with kvfree() instead of kfree(). Fixes: fdc85222d58e ("kernfs: kvmalloc xattr value instead of kmalloc") Signed-off-by: Chengguang Xu <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Acked-by: Hugh Dickins <[email protected]> Acked-by: Tejun Heo <[email protected]> Cc: Daniel Xu <[email protected]> Cc: Chris Down <[email protected]> Cc: Andreas Dilger <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Al Viro <[email protected]> Cc: <[email protected]> [5.7] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--include/linux/xattr.h3
-rw-r--r--mm/shmem.c2
2 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index 47eaa34f8761..c5afaf8ca7a2 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/spinlock.h>
+#include <linux/mm.h>
#include <uapi/linux/xattr.h>
struct inode;
@@ -94,7 +95,7 @@ static inline void simple_xattrs_free(struct simple_xattrs *xattrs)
list_for_each_entry_safe(xattr, node, &xattrs->head, list) {
kfree(xattr->name);
- kfree(xattr);
+ kvfree(xattr);
}
}
diff --git a/mm/shmem.c b/mm/shmem.c
index a0dbe62f8042..b2abca3f7f33 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3178,7 +3178,7 @@ static int shmem_initxattrs(struct inode *inode,
new_xattr->name = kmalloc(XATTR_SECURITY_PREFIX_LEN + len,
GFP_KERNEL);
if (!new_xattr->name) {
- kfree(new_xattr);
+ kvfree(new_xattr);
return -ENOMEM;
}